Abstract
Objective
Lateral and central compartments cervical lymph nodes metastases are common among patients with papillary thyroid carcinoma (PTC). Elective level VI neck dissection during thyroidectomy and lateral neck dissection (LND) for the treatment of PTC with lateral compartment lymph node metastases is controversial because of the uncertain benefit in clinical outcomes and increased risks of surgical morbidity.
We aimed to determine the potential benefit of elective level VI neck dissection in patients with cN1 papillary thyroid carcinoma (PTC) by investigating the rate and pattern of locoregional recurrence in PTC patients who underwent total thyroidectomy and therapeutic lateral node dissection (LND; levels II–IV) without elective level VI dissection.
Methods
A retrospective cohort study. Data on demographics, clinical presentation and workup, intraoperative and pathological report, postoperative course, adjuvant therapy, recurrence patterns, and overall survival were retrieved from the medical charts of patients who underwent thyroid surgery in our hospital between January 2006 and December 2017.
Results
A total of 1415 thyroidectomies were performed during the study period, of which 802 (56.67%) were for PTC. Of those PTC patients, 228 (28.42%) also underwent LND (levels II–VI) during the same thyroidectomy procedure. Thirty-four (14.91%) of those 228 patients, underwent total thyroidectomy with therapeutic lateral ND II–IV without elective level VI ND. During the follow-up period, five (14.7%) of the latter cohort were diagnosed with recurrence in central neck (level VI) lymph nodes, and four of them (11.7%) were diagnosed with ipsilateral recurrence at level VI.
Conclusion
Our results revealed 11.7% rate of clinically significant recurrent disease in ipsilateral level VI which, in our opinion, does not justify routine prophylactic level VI ND dissection when the ipsilateral lateral neck is operated for metastases.
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Change history
13 August 2020
The original article can be found online.
Abbreviations
- ATA:
-
American Thyroid Association
- LND:
-
Lateral neck dissection
- MCI:
-
Millicurie
- ND:
-
Neck dissection
- PTC:
-
Papillary thyroid carcinoma
- RA:
-
Radioiodine ablation
- TASMC:
-
Tel Aviv Sourasky Medical Center
- TG:
-
Thyroglobulin
- US:
-
Ultrasound
- WDTC:
-
Well-differentiated thyroid carcinoma
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Ester Eshkol is thanked for her editorial support.
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Retrospective cohort study, IBR approved 704-16TLV.
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Carmel-Neiderman, N.N., Duek, I., Amsterdam, D. et al. Total thyroidectomy with therapeutic level II–IV neck dissection for papillary thyroid carcinoma: level VI recurrence patterns. Eur Arch Otorhinolaryngol 277, 3449–3455 (2020). https://doi.org/10.1007/s00405-020-06079-4
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DOI: https://doi.org/10.1007/s00405-020-06079-4